Answer:
Most people need it, some ask for it, some give it, but almost nobody takes it. What is it?
What fastens two people yet touches only one?
What occurs four times in every week, twice in every month, only once in a year but never in a day?
Without this, H2O would just be 2O
How can a pants pocket be empty and still have something in it?
I am a animal that is cute but dangerous, what am I?